MPEC 2005-F34 : 2001 YP2
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M.P.E.C. 2005-F34 Issued 2005 Mar. 22, 13:29 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 YP2
Revision to MPEC 2001-Y28
Additional Observations:
K01Y02P 2C2005 03 06.31839410 09 38.886+52 33 08.97 22.0 R EF034568
K01Y02P 2C2005 03 06.32235010 09 38.518+52 33 08.82 22.0 R EF034568
K01Y02P 2C2005 03 06.32612010 09 38.158+52 33 08.70 22.0 R EF034568
K01Y02P 2C2005 03 06.33000610 09 37.796+52 33 08.49 22.0 R EF034568
K01Y02P 2C2005 03 07.34482810 08 09.108+52 31 58.89 21.9 R EF034568
K01Y02P 2C2005 03 08.32394210 06 46.106+52 30 21.84 22.3 R EF034568
K01Y02P 2C2005 03 08.32770110 06 45.763+52 30 21.40 22.1 R EF034568
K01Y02P 2C2005 03 08.33154210 06 45.437+52 30 20.94 22.1 R EF034568
Observer details:
568 Mauna Kea. Observers F. Bernardi, D. J. Tholen. 2.24-m University of
Hawaii reflector + 8192 CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050306 568 0.03+ 0.01- 050308 568 0.03+ 0.01- MPO 57848 -0.078 day
Orbital elements:
2001 YP2
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 64.91971 (2000.0) P Q
n 0.34807993 Peri. 288.36616 +0.82154127 -0.32650971
a 2.0014745 Node 92.92449 +0.50465155 +0.79792156
e 0.4803100 Incl. 27.90507 -0.26532386 +0.50666813
P 2.83 H 18.9 G 0.15 U 2
Residuals in seconds of arc
011125 608 0.2+ 1.3- 011219 704 0.3- 0.0 011224 118 0.2- 0.2-
011125 608 0.4- 0.1+ 011219 704 0.3- 1.3+ 011224 118 0.2+ 0.9-
011125 608 0.2- 0.2+ 011219 704 0.9+ 1.0+ 020106 704 0.7+ 0.3-
011218 644 0.1+ 0.0 011219 704 0.0 0.5+ 020106 704 0.5- 0.4-
011218 644 0.1+ 0.1- 011219 704 0.1+ 0.1+ 020106 704 0.4+ 0.6-
011218 644 0.3+ 0.2- 011220 649 0.4- 0.1+ 020106 704 0.4- 1.6-
011219 918 0.5- 0.4- 011220 649 0.1- 0.2- 020213 696 0.8+ 0.6-
011219 918 0.5+ 0.2+ 011220 649 0.1- 0.2- 020213 696 0.3+ 0.0
011219 918 (2.4- 1.6+) 011220 644 0.1+ 0.1- 050306 568 0.1+ 0.0
011219 704 0.2+ 0.1- 011220 644 0.3- 0.0 050306 568 0.1+ 0.0
011219 704 0.1- 0.1- 011220 644 0.5+ 0.1- 050306 568 0.0 0.0
011219 644 0.4+ 0.1+ 011222 704 0.2- 1.3+ 050306 568 0.1- 0.0
011219 704 0.2- 0.2+ 011222 704 0.3- 0.3+ 050307 568 0.1+ 0.1+
011219 704 0.5+ 0.3+ 011222 704 0.2- 1.3+ 050308 568 0.0 0.1+
011219 644 0.2+ 0.1+ 011222 704 0.7- 0.2- 050308 568 0.2- 0.0
011219 644 0.3+ 0.3- 011224 118 0.3- 0.3- 050308 568 0.1- 0.1-
Ephemeris:
2001 YP2 a,e,i = 2.00, 0.48, 28 q = 1.0401
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 21 09 52.91 +51 32.5 1.621 2.305 121.6 21.6 22.8
2005 03 31 09 47.51 +50 11.4 1.755 2.353 114.5 22.7 23.1
2005 04 10 09 46.52 +48 31.5 1.897 2.398 107.5 23.5 23.3
2005 04 20 09 49.22 +46 40.5 2.046 2.441 100.7 23.8 23.5
2005 04 30 09 54.79 +44 43.5 2.198 2.483 94.1 23.9 23.7
2005 05 10 10 02.55 +42 43.1 2.351 2.523 87.8 23.6 23.9
2005 05 20 10 11.98 +40 41.1 2.504 2.561 81.6 23.0 24.0
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-F34
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